Antique steel engraved print of Petworth House, Sussex. Published 1845. The house is by architect Anthony Salvin, whilst the grounds were landscaped by Capability Brown. This image is from ‘Curiosities of Great Britain. England and Wales Delineated. Historical, Entertaining & Commercial, Alphabetically Arranged by Thomas Dugdale, Antiquarian. Assisted by William Burnett.’ (Dugdale was a professional artist, whilst Burnett was a civil engineer by profession.) Together they produced a series of steel engraved prints of English and Welsh architectural and topographical features, together with County Maps. Thanks to Wikipedia for the linked information.